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https://www.readbyqxmd.com/read/29351898/young-people-s-parents-and-professionals-views-on-required-components-of-mobile-apps-to-support-self-management-of-juvenile-arthritis-qualitative-study
#1
Jennifer M Waite-Jones, Rabiya Majeed-Ariss, Joanna Smith, Simon R Stones, Vanessa Van Rooyen, Veronica Swallow
BACKGROUND: There is growing evidence that supporting self-management of Juvenile Arthritis can benefit both patients and professionals. Young people with Juvenile Arthritis and their healthy peers increasingly use mobile technologies to access information and support in day-to-day life. Therefore, a user-led, rigorously developed and evaluated mobile app could be valuable for facilitating young people's self-management of Juvenile Arthritis. OBJECTIVE: The objective of this study was to seek the views of young people with Juvenile Arthritis, their parents or carers, and health care professionals (HCPs) as to what should be included in a mobile app to facilitate young people's self-management of chronic Juvenile Arthritis...
January 19, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29351679/landmarks-for-identifying-the-suprascapular-foramen-anteriorly-application-to-anterior-neurotization-and-decompressive-procedures
#2
Olga V Manouvakhova, Veronica Macchi, Fabian N Fries, Marios Loukas, Raffaele De Caro, Rod J Oskouian, Robert J Spinner, R Shane Tubbs
BACKGROUND: Additional landmarks for identifying the suprascapular nerve at its entrance into the suprascapular foramen from an anterior approach would be useful to the surgeon. OBJECTIVE: To identify landmarks for the identification of this hidden site within an anterior approach. METHODS: In 8 adult cadavers (16 sides), lines were used to connect the superior angle of the scapula, the acromion, and the coracoid process tip thus creating an anatomic triangle...
February 1, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29351469/inhibition-of-mtor-protects-the-blood-brain-barrier-in-models-of-alzheimer-s-disease-and-vascular-cognitive-impairment
#3
Candice E Van Skike, Jordan B Jahrling, Angela B Olson, Naomi L Sayre, Stacy A Hussong, Zoltan I Ungvari, James D Lechleiter, Veronica Galvan
An intact blood-brain barrier (BBB) limits entry of pro-inflammatory and neurotoxic blood-derived factors into the brain parenchyma. The BBB is damaged in Alzheimer's disease (AD), which contributes significantly to the progression of AD pathologies and cognitive decline. However, the mechanisms underlying BBB breakdown in AD remain elusive and no interventions are available for treatment or prevention. We and others recently established that inhibition of the mammalian/mechanistic target of rapamycin (mTOR) pathway with rapamycin yields significant neuroprotective effects, improving cerebrovascular and cognitive function in mouse models of AD...
December 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29350619/growth-and-lattice-dynamics-of-ultrathin-bao-films-on-pt-001
#4
Veronica Goian, Florian O Schumann, Wolf Widdra
We report on the surface phonons of long-range ordered BaO thin films grown on Pt(001). In the thickness range between 4 and 28 ML, we find unstrained BaO(001)-(1x1) bulk-like terminated films which coincide with a Pt(001)-c(2x2) lattice periodicity. The dipole-active lattice vibrations were determined using high-resolution electron energy loss spectroscopy. For all BaO film thicknesses, a single Fuchs-Kliewer (FK) phonon-polariton is observed. Its intensity increases and its frequency softens with increasing film thickness...
January 19, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29350414/ross-river-virus-in-australian-blood-donors-possible-implications-for-blood-transfusion-safety
#5
Helen M Faddy, Thu V Tran, Veronica C Hoad, Clive R Seed, Elvina Viennet, Hiu-Tat Chan, Robert Harley, Elise Hewlett, Roy A Hall, Helle Bielefeldt-Ohmann, Robert L P Flower, Natalie A Prow
BACKGROUND: Emerging transfusion-transmissible pathogens, including arboviruses such as West Nile, Zika, dengue, and Ross River viruses, are potential threats to transfusion safety. The most prevalent arbovirus in humans in Australia is Ross River virus (RRV); however, prevalence varies substantially around the country. Modeling estimated a yearly risk of 8 to 11 potentially RRV-viremic fresh blood components nationwide. This study aimed to measure the occurrence of RRV viremia among donors who donated at Australian collection centers located in areas with significant RRV transmission during one peak season...
January 19, 2018: Transfusion
https://www.readbyqxmd.com/read/29349886/adaptation-of-salmonella-enterica-to-bile-essential-role-of-acrab-mediated-efflux
#6
Verónica Urdaneta, Josep Casadesús
Adaptation to bile is the ability to endure the lethal effects of bile salts after growth on sublethal concentrations. Surveys of adaptation to bile in Salmonella enterica ser. Tyhimurium reveal that active efflux is essential for adaptation while other bacterial functions involved in bile resistance are not. Among S. enterica mutants lacking one or more efflux systems, only strains lacking AcrAB are unable to adapt, thus revealing an essential role for AcrAB. Transcription of the acrAB operon is upregulated in the presence of a sublethal concentration of sodium deoxycholate (DOC) while other efflux loci are either weakly upregulated or irresponsive...
January 19, 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29349673/pharmacological-dissection-of-the-cellular-mechanisms-associated-to-the-spontaneous-and-the-mechanically-stimulated-atp-release-by-mesentery-endothelial-cells-roles-of-thrombin-and-trpv
#7
M Verónica Donoso, Felipe Hernández, Tania Villalón, Claudio Acuña-Castillo, J Pablo Huidobro-Toro
Endothelial cells participate in extracellular ATP release elicited by mechanosensors. To characterize the dynamic interactions between mechanical and chemical factors that modulate ATP secretion by the endothelium, we assessed and compared the mechanisms participating in the spontaneous (basal) and mechanically stimulated secretion using primary cultures of rat mesentery endothelial cells. ATP/metabolites were determined in the cell media prior to (basal) and after cell media displacement or a picospritzer buffer puff used as mechanical stimuli...
January 19, 2018: Purinergic Signalling
https://www.readbyqxmd.com/read/29349565/description-of-alteromonas-abrolhosensis-sp-nov-isolated-from-sea-water-of-abrolhos-bank-brazil
#8
Maria S Nóbrega, Bruno S Silva, Luciana Leomil, Diogo Antonio Tschoeke, Mariana E Campeão, Gizele D Garcia, Graciela A Dias, Verônica V Vieira, Cristiane C Thompson, Fabiano L Thompson
Two Gram-negative, motile, aerobic bacteria isolated from waters of the Abrolhos Bank were classified through a whole genome-based taxonomy. Strains PEL67ET and PEL68C shared 99% 16S rRNA and dnaK sequence identity with Alteromonas marina SW-47T and Alteromonas macleodii ATCC 27126T. In silico DNA-DNA Hybridization, i.e. genome-to-genome distance (GGD), average amino acid identity (AAI) and average nucleotide identity (ANI) showed that PEL67ET and PEL68C had identity values between 33-36, 86-88 and 83-84%, and 85-86 and 83%, respectively, towards their close neighbors A...
January 18, 2018: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/29346429/the-farnesoid-x-receptor-agonist-obeticholic-acid-upregulates-biliary-excretion-of-asymmetric-dimethylarginine-via-mate-1-during-hepatic-ischemia-reperfusion-injury
#9
Andrea Ferrigno, Laura Giuseppina Di Pasqua, Clarissa Berardo, Veronica Siciliano, Vittoria Rizzo, Luciano Adorini, Plinio Richelmi, Mariapia Vairetti
BACKGROUND: We previously showed that increased asymmetric dimethylarginine (ADMA) biliary excretion occurs during hepatic ischemia/reperfusion (I/R), prompting us to study the effects of the farnesoid X receptor (FXR) agonist obeticholic acid (OCA) on bile, serum and tissue levels of ADMA after I/R. MATERIAL AND METHODS: Male Wistar rats were orally administered 10mg/kg/day of OCA or vehicle for 5 days and were subjected to 60 min partial hepatic ischemia or sham-operated...
2018: PloS One
https://www.readbyqxmd.com/read/29346015/treatment-of-a-textile-effluent-by-adsorption-with-cork-granules-and-titanium-dioxide-nanomaterial
#10
Margarida Castro, Verónica Nogueira, Isabel Lopes, Maria N Vieira, Teresa Rocha-Santos, Ruth Pereira
This study aimed to explore the efficiency of two adsorbents, cork granules with different granulometry and titanium dioxide nanomaterial, in the removal of chemical oxygen demand (COD), colour and toxicity from a textile effluent. The adsorption assays with cork were unsatisfactory in the removal of chemical parameters however they eliminated the acute toxicity of the raw effluent to Daphnia magna. The assay with TiO2 NM did not prove to be efficient in the removal of colour and COD even after 240 min of contact; nevertheless it also reduced the raw effluent toxicity...
January 18, 2018: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29345376/role-of-negative-regulation-of-immune-signaling-pathways-in-neutrophil-function
#11
REVIEW
Veronica Azcutia, Charles A Parkos, Jennifer C Brazil
Polymorphonuclear neutrophils (PMNs) play a critical role in host defense against infection and in the resolution of inflammation. However, immune responses mediated by PMN must be tightly regulated to facilitate elimination of invading pathogens without inducing detrimental inflammation and host tissue damage. Specific engagement of cell surface immunoreceptors by a diverse range of extracellular signals regulates PMN effector functions through differential activation of intracellular signaling cascades. Although mechanisms of PMN activation mediated via cell signaling pathways have been well described, less is known about negative regulation of PMN function by immune signaling cascades...
December 19, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29345346/galectin-3-type-c-self-association-on-neutrophil-surfaces-the-carbohydrate-recognition-domain-regulates-cell-function
#12
Martina Sundqvist, Amanda Welin, Jonas Elmwall, Veronica Osla, Ulf J Nilsson, Hakon Leffler, Johan Bylund, Anna Karlsson
Galectin-3 is an endogenous β-galactoside-binding lectin comprising a carbohydrate recognition domain (CRD) linked to a collagen-like N-domain. Both domains are required for galectin-3 to induce cellular effects; a C-terminal fragment of galectin-3, galectin-3C, containing the CRD but lacking the N-domain, binds cell surface glycoconjugates but does not induce cellular effects since cross-linking promoted by the N-domain is thought to be required. Instead, galectin-3C is proposed to antagonize the effects of galectin-3 by competing for binding sites...
January 10, 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29343691/use-of-nanoparticle-concentration-as-a-tool-to-understand-the-structural-properties-of-colloids
#13
Lígia Nunes de Morais Ribeiro, Verônica Muniz Couto, Leonardo Fernandes Fraceto, Eneida de Paula
Elucidation of the structural properties of colloids is paramount for a successful formulation. However, the intrinsic dynamism of colloidal systems makes their characterization a difficult task and, in particular, there is a lack of physicochemical techniques that can be correlated to their biological performance. Nanoparticle tracking analysis (NTA) allows measurements of size distribution and nanoparticle concentration in real time. Its analysis over time also enables the early detection of physical instability in the systems not assessed by subtle changes in size distribution...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29342137/corrigendum-mtorc1-dependent-amd1-regulation-sustains-polyamine-metabolism-in-prostate-cancer
#14
Amaia Zabala-Letona, Amaia Arruabarrena-Aristorena, Natalia Martín-Martín, Sonia Fernandez-Ruiz, James D Sutherland, Michelle Clasquin, Julen Tomas-Cortazar, Jose Jimenez, Ines Torres, Phong Quang, Pilar Ximenez-Embun, Ruzica Bago, Aitziber Ugalde-Olano, Ana Loizaga-Iriarte, Isabel Lacasa-Viscasillas, Miguel Unda, Verónica Torrano, Diana Cabrera, Sebastiaan M van Liempd, Ylenia Cendon, Elena Castro, Stuart Murray, Ajinkya Revandkar, Andrea Alimonti, Yinan Zhang, Amelia Barnett, Gina Lein, David Pirman, Ana R Cortazar, Leire Arreal, Ludmila Prudkin, Ianire Astobiza, Lorea Valcarcel-Jimenez, Patricia Zuñiga-García, Itziar Fernandez-Dominguez, Marco Piva, Alfredo Caro-Maldonado, Pilar Sánchez-Mosquera, Mireia Castillo-Martín, Violeta Serra, Naiara Beraza, Antonio Gentilella, George Thomas, Mikel Azkargorta, Felix Elortza, Rosa Farràs, David Olmos, Alejo Efeyan, Juan Anguita, Javier Muñoz, Juan M Falcón-Pérez, Rosa Barrio, Teresa Macarulla, Jose M Mato, Maria L Martinez-Chantar, Carlos Cordon-Cardo, Ana M Aransay, Kevin Marks, José Baselga, Josep Tabernero, Paolo Nuciforo, Brendan D Manning, Katya Marjon, Arkaitz Carracedo
This corrects the article DOI: 10.1038/nature22964.
January 17, 2018: Nature
https://www.readbyqxmd.com/read/29341429/trans-acting-translational-regulatory-rna-binding-proteins
#15
REVIEW
Robert F Harvey, Tom S Smith, Thomas Mulroney, Rayner M L Queiroz, Mariavittoria Pizzinga, Veronica Dezi, Eneko Villenueva, Manasa Ramakrishna, Kathryn S Lilley, Anne E Willis
The canonical molecular machinery required for global mRNA translation and its control has been well defined, with distinct sets of proteins involved in the processes of translation initiation, elongation and termination. Additionally, noncanonical, trans-acting regulatory RNA-binding proteins (RBPs) are necessary to provide mRNA-specific translation, and these interact with 5' and 3' untranslated regions and coding regions of mRNA to regulate ribosome recruitment and transit. Recently it has also been demonstrated that trans-acting ribosomal proteins direct the translation of specific mRNAs...
January 17, 2018: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/29341292/amniotic-fluid-stem-cell-exosomes-therapeutic-perspective
#16
Francesca Beretti, Manuela Zavatti, Francesca Casciaro, Giuseppina Comitini, Fabrizia Franchi, Veronica Barbieri, Giovanni B La Sala, Tullia Maraldi
It is widely accepted that the therapeutic potential of stem cells can be largely mediated by paracrine factors, also included into exosomes. Thus, stem cell-derived exosomes represent a major therapeutic option in regenerative medicine avoiding, if compared to stem cells graft, abnormal differentiation and tumor formation. Exosomes derived from mesenchymal stem cells (MSC) induce damaged tissue repair, and can also exert immunomodulatory effects on the differentiation, activation and function of different lymphocytes...
January 16, 2018: BioFactors
https://www.readbyqxmd.com/read/29341114/recombinant-human-hepatocyte-growth-factor-provides-protective-effects-in-celurein-induced-acute-pancreatitis-in-mice
#17
Mayrel Palestino-Domínguez, Mario Pelaez-Luna, Roberto Lazzarini-Lechuga, Ignacio Rodríguez-Ochoa, Verónica Souza, Roxana U Miranda, Benjamín Pérez-Aguilar, Leticia Bucio, Jens U Marquardt, Luis Enrique Gomez-Quiroz, María Concepción Gutiérrez-Ruiz
Acute pancreatitis is a multifactorial disease associated with profound changes of the pancreas induced by release of digestive enzymes that lead to increase in proinflammatory cytokine production, excessive tissue necrosis, edema, and bleeding. Elevated levels of hepatocyte growth factor (HGF) and its receptor c-Met have been observed in different chronic and acute pancreatic diseases including experimental models of acute pancreatitis. In the present study, we investigated the protective effects induced by the recombinant human HGF in a mouse model of cerulein-induced acute pancreatitis...
January 17, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29340782/strigeid-parasites-of-circus-buffoni-from-argentina-with-the-description-of-a-new-species-of-parastrigea-szidat-1928
#18
Fabiana B Drago, Verónica Núñez, Lía I Lunaschi
Studying the Helminthological Collection of Museo de La Plata (MLP-He), several specimens of digeneans, recovered parasitizing a long-winged harrier, Circus buffoni (Accipitridae) from Buenos Aires Argentina, were analysed. The morphological and morphometric analysis of these specimens revealed the presence of two strigeid species, one of them new for science. Parastrigea buffoni n. sp. is characterised by a forebody differentiated in a retractile cephalic region with a large opening and a balloon-shaped collar region or collerette, suckers located in cephalic region, holdfast organ with well development dorsal and ventral lips that can emerge through opening, a claviform hindbody, a large copulatory bursa with muscular ring (Ringnapf) and a genital cone well delimited, crossed by a sinuous hermaphroditic duct with internal rugae...
January 16, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29340378/chemical-dynamics-simulations-of-cid-of-peptide-ions-comparisons-between-tik-h-2-and-tlk-h-2-fragmentation-dynamics-and-with-thermal-simulations
#19
Zahra Homayoon, Veronica Macaluso, Ana Martin-Somer, Maria Carolina Nicola Barbosa Muniz, Itamar Borges, William L Hase, Riccardo Spezia
Gas phase unimolecular fragmentation of the two model doubly protonated tripeptides threonine-isoleucine-lysine (TIK) and threonine-leucine-lysine (TLK) is studied using chemical dynamics simulations. Attention is focused on different aspects of collision induced dissociation (CID): fragmentation pathways, energy transfer, theoretical mass spectra, fragmentation mechanisms, and the possibility of distinguishing isoleucine (I) and leucine (L). Furthermore, discussion is given regarding the differences between single collision CID activation, which results from a localized impact between the ions and a colliding molecule N2, and previous thermal activation simulation results; Z...
January 17, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29340103/anti-neoplastic-drugs-increase-caveolin-1-dependent-migration-invasion-and-metastasis-of-cancer-cells
#20
Natalia I Díaz-Valdivia, Claudia C Calderón, Jorge E Díaz, Lorena Lobos-González, Hugo Sepulveda, Rina J Ortíz, Samuel Martinez, Veronica Silva, Horacio J Maldonado, Patricio Silva, Sergio Wehinger, Verónica A Burzio, Vicente A Torres, Martín Montecino, Lisette Leyton, Andrew F G Quest
Expression of the scaffolding protein Caveolin-1 (CAV1) enhances migration and invasion of metastatic cancer cells. Yet, CAV1 also functions as a tumor suppressor in early stages of cancer, where expression is suppressed by epigenetic mechanisms. Thus, we sought to identify stimuli/mechanisms that revert epigenetic CAV1 silencing in cancer cells and evaluate how this affects their metastatic potential. We reasoned that restricted tissue availability of anti-neoplastic drugs during chemotherapy might expose cancer cells to sub-therapeutic concentrations, which activate signaling pathways and the expression of CAV1 to favor the acquisition of more aggressive traits...
December 19, 2017: Oncotarget
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